Volume 13, Number 4—April 2007
Research
Symptomatic and Subclinical Infection with Rotavirus P[8]G9, Rural Ecuador
Table 1
Age distribution of 411 case-patients (those with diarrhea) and 1,245 controls (those without diarrhea) from rural communities of Esmeraldas, Ecuador*
| Age group, y | ||||||
|---|---|---|---|---|---|---|
| <1 |
1–<5 |
5–<20 |
20–<40 |
>40 |
Total |
|
| Case-patiants +/N (%) |
20/69 (29.0) |
33/181(18.2) |
16/64 (25.0) |
0/17 (0) |
11/34 (32.4) |
96/411 (23.4) |
| Controls +/N (%) |
0/35 (0) |
6/142 (4.2) |
17/493 (3.4) |
13/282 (4.6) |
4/251 (1.6) |
40/1245 (3.2) |
| OR (95% CI) | – (3.6–∞) | 5.1 (2.0–15.2) | 9.3 (4.1–20.9) | – (0–4.8) | 29.5 (7.8–133.9) | 9.2 (6.1–13.9) |
*Samples collected Aug 2003–Feb 2006. + indicates number of positive results on immunochormatographic test. OR, odds ratio; CI, confidence interval. Confidence interval bands for the <1 y and 20–<40 y age groups were obtained by using the Fisher exact test.


